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Debug code led table -34, Chapter 1, Debug code led table – MSI Z97 GAMING 9 AC Manual User Manual

Page 48

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Chapter 1

1-34

Getting Started

Debug Code LED Table

Please refer to the table below to get more information about the Debug Code LED

message.

Post

Status

02,07

Power on CPU Initialization

03,08

Power on North Bridge Initialization

04,09

Power on South Bridge Initialization

0B

Power on Cache Initialization

11~14,32~36,56~5A

Early CPU Initialization

15~18,37~3A

Early North Bridge Initialization

19~1C,3B~3E

Early South Bridge Initialization

1D~2F,31,3F~4E,50~55 Early Memory Initialization

63~67,D0

Late CPU Initialization

69~6F,D1

Late North Bridge Initialization

70~77,D2

Late South Bridge Initialization

92~96,B5,D4

PCI bus Initialization

97,98,99,B2,D5~D7

Console Output/Input devices/Console initialization and

Load Option ROM (VGA, RAID, parallel ports, serial

ports……)

9A~A7,B4

Onboard devices Initialize and Detect (USB/ SATA/

SCSI……)

A8,A9,AB

Start of Setup. BIOS setup if needed/ requested.

AD/AE

Ready To Boot event/Legacy Boot event

CPU temperature

Fully boot

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